﻿/************************************************************************

   Extended Silverlight Toolkit

   Copyright (C) 2010-2012 Xceed Software Inc.

   This program is provided to you under the terms of the Microsoft Public
   License (Ms-PL) as published at http://extendedsilverlight.codeplex.com/license

   Please purchase a commercial version of this toolkit if you are using
   it in a commercial product. The commercial versions support the project,
   and also include more features for each control, priority support,
   source code, updates, removed watermark, and a proprietary license.

   Visit http://xceed.com and follow @datagrid on Twitter.

  **********************************************************************/

using System;
using System.Windows;
using Xceed.Silverlight.Data;

namespace Xceed.Silverlight.DataGrid
{
  internal class VirtualRootContainer : VirtualContainerBase
  {
    public override UIElement Visual
    {
      get
      {
        throw new InvalidOperationException();
      }
    }

    public override DataPath Path
    {
      get
      {
        return DataPath.Empty;
      }
    }

    internal override Size ArrangePanelOverride( Size finalSize, LayoutParameters parameters )
    {
      base.ArrangePanelOverride( finalSize, parameters );

      return finalSize;
    }

    internal override Size MeasurePanelOverride( Size availableSize )
    {
      return base.MeasurePanelOverride( availableSize );
    }

    public override void SetDataPath( DataPath path )
    {
      throw new InvalidOperationException();
    }

    internal override void Accept( IVisitor visitor )
    {
      visitor.Visit( this );
    }
  }
}
